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Which Holley carb is this? (need to rebuild)

Discussion in 'The Garage' started by 89GMCSuburban, May 3, 2003.

  1. 89GMCSuburban

    89GMCSuburban 1/2 ton status

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    My friend just gave me a Holley carb that needs a rebuild, but I do not know what model number it is, or for that matter, where to look if it's on the carb...so....

    It's a Holley spreadbore
    standard finish
    Manual choke
    Vacuum secondaries
    single accelerator pump

    What is this? I tried looking on the Holley site, but could not find what it was... thanks in advance, guys!
     
  2. leadfoot067

    leadfoot067 1/2 ton status

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    look on the choke horn..should be some numbers....if ya tell me the numbers ill tell ya what it is /forums/images/graemlins/thumb.gif
     
  3. bablazer73

    bablazer73 1/2 ton status

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    look at the front face of the choke horn. It will say something like "list 1850-1" or something similar. Usually a 4 or 5 digit with maybe a dash 1 or a dash 2 after the main #. I have some holley books. I'll check #'s also
     
  4. m j

    m j 1/2 ton status

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  5. 89GMCSuburban

    89GMCSuburban 1/2 ton status

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    It says LIST 8700 and below that is 1079...
    I guess that means it's an 8700....I don't even see these on the website
     
  6. leadfoot067

    leadfoot067 1/2 ton status

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    its a 650 spread bore vacume secondary..q-jet replacement carb...shoule work well for ya /forums/images/graemlins/thumb.gif
     
  7. m j

    m j 1/2 ton status

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    it is listed here

    list 0-8700
    model 4175
    cfm 650
    rebuild kit 37-1537
    trick kit 37-933
    primary and sec needle and seat (16,17)
    pri main jet 122-582
    sec jet or plate 134-21
    pri metering block N/S
    sec metering block 134-21
    pri power valve 125-85
    pri discharge nossle .025
     
  8. 89GMCSuburban

    89GMCSuburban 1/2 ton status

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    Thanks guys! /forums/images/graemlins/thumb.gif It's going on my 1967 C10 in place of a Quadrajet that's seen better days...let you know how it does!
     

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